Claims
- 1. A fractionating column having an inner wall and comprising a plurality of horizontally disposed perforated fractionation trays located one above the other within said column including a first perforated fractionation tray with at least one downcomer for channeling an outflow from the first tray through at least one radially disposed exit port to a second perforated fractionation tray directly below the first, said second tray comprising an under-downcomer area located directly below the downcomer from the first fractionation tray, in which the exit port from each downcomer is located in such a way that the outflow therefrom is initially directed towards the inner wall of the column, and at least a portion of the under-downcomer area of the second tray is provided with a plurality of perforations.
- 2. A fractionating column according to claim 1 in which the under-downcomer area is located in the peripheral area of the tray and at least a portion of the under-downcomer area is provided with perforations to provide for vapor/liquid contact.
- 3. A fractionating column according to claim 1 which comprises a perforated barrier between the perforated area of the second perforated tray and the area immediately contacted by liquid exiting the downcomer.
Parent Case Info
This Application is a continuation-in-part of application Ser. No. 08/401,378 filed May 9, 1995.
US Referenced Citations (10)
Foreign Referenced Citations (3)
Number |
Date |
Country |
0147234 |
Aug 1985 |
JPX |
1053841 |
Nov 1983 |
SUX |
1432944 |
Apr 1976 |
GBX |
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
401378 |
May 1995 |
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